Vaillant aquaPLUS VUI 362-7 Service Manual

VUI 362-7Gas fired room sealed fan assistedcombination boiler with integrated 15 litre power storeFor the installerInstructions for installation and s

4 General RequirementsInstructions for installation and servicing aquaPLUS VUI 362-7104.5.3 Flue terminationThe following details refer to both flue s

General Requirements 4Instructions for installation and servicing aquaPLUS VUI 362-7 114.6 Air supplyDetailed recommendations for air supply are given

4 General Requirements4.9.6 Expansion vesselThe aquaPLUS incorporates a 10 litre expansion vesselwhich is suitable for a sealed heating system with am

Boiler Installation Sequence 5Instructions for installation and servicing aquaPLUS VUI 362-7 135 Boiler Installation Sequence5.1 General5.1.1 Preparat

5 Boiler Installation SequenceInstructions for installation and servicing aquaPLUS VUI 362-714Fig. 5.3: Using Boiler template55124175 GB60/10008/2001&

Boiler Installation Sequence 5Instructions for installation and servicing aquaPLUS VUI 362-7 155.3 Fitting the boiler hanging bracketFix the hanging b

5 Boiler Installation Sequence 5Instructions for installation and servicing aquaPLUS VUI 362-7165.7 Gas supply• Connect the 15 mm compression gas serv

Boiler Installation Sequence 5Instructions for installation and servicing aquaPLUS VUI 362-7 175.9 Central heating flow and return pipeworkBefore conn

5 Boiler Installation Sequence 5Instructions for installation and servicing aquaPLUS VUI 362-7185.11 Electrical installationGeneral requirementsImport

Boiler Installation Sequence 5Instructions for installation and servicing aquaPLUS VUI 362-7 19Fig. 5.9: Exposed rear view of switchgear cabinet Fig.

Table of ContentsInstructions for installation and servicing aquaPLUS VUI 362-72Page1 List of Contents . . . . . . . . . . . . . . . . . . . . . . .

5 Boiler Installation Sequence 5Instructions for installation and servicing aquaPLUS VUI 362-720NL987F354324V230VF1Socket X2 for internal unit compone

Boiler Installation Sequence 5Instructions for installation and servicing aquaPLUS VUI 362-7 215.14 ControlsExternal electrical controlsThe boiler ter

5.18 Anti-cycling ‘economiser’ controlThe boiler incorporates a built in anti-cycling control toensure that energy wasteful short cycling of the boile

Commissioning Part I 6Instructions for installation and servicing aquaPLUS VUI 362-7 23Fig. 6.1: Filling aquaPLUS boiler6.5 Initial system flush (“col

7 Gas supply adjustments (Commissioning Part II)Instructions for installation and servicing aquaPLUS VUI 362-7247 Gas supply adjustments(Commissioning

Gas supply adjustments (Commissioning Part II) 7Instructions for installation and servicing aquaPLUS VUI 362-7 257.2 Main burner pressureThe burner pr

7 Gas supply adjustments (Commissioning Part II)Instructions for installation and servicing aquaPLUS VUI 362-726Fig. 7.3: Setting the maximum heating

Gas supply adjustments (Commissioning Part II) 7Instructions for installation and servicing aquaPLUS VUI 362-7 277.4 Adjusting the ignition rate• Undo

7 Gas supply adjustments (Commissioning Part II)Instructions for installation and servicing aquaPLUS VUI 362-7287.5 Adjusting the central heating outp

Gas supply adjustments (Commissioning Part II) 7Instructions for installation and servicing aquaPLUS VUI 362-7 29Note! Following adjustment of the cen

List of Contents 1Instructions for installation and servicing aquaPLUS VUI 362-7 31 List of Contents1.1 Contents included with boilerEnsure that all c

7 Gas supply adjustments (Commissioning Part II) 7Instructions for installation and servicing aquaPLUS VUI 362-7307.6 Checking the gas valve mid setti

Gas supply adjustments (Commissioning Part II) 7Instructions for installation and servicing aquaPLUS VUI 362-7 317.8 Fit boiler casing• Carefully push

8 Functional checks (Commissioning Part III)Instructions for installation and servicing aquaPLUS VUI 362-7328 Functional checks (CommissioningPart III

Functional checks (Commissioning Part III) 8Instructions for installation and servicing aquaPLUS VUI 362-7 338.4 Heating mode• Activate the system and

9 Servicing9.1 Initial InspectionTo ensure the continued safe and efficient operation ofthe boiler it is recommended that it is checked andserviced as

Servicing 9Instructions for installation and servicing aquaPLUS VUI 362-7 359.3 Cleaning the burner and primary heat exchanger• Turn off the boiler.•

10 Fault finding10 Fault finding10.1 IntroductionThe aquaPLUS boilers have an inbuilt advancedmultifunction diagnostic display to assist with faultfin

Fault finding 10Instructions for installation and servicing aquaPLUS VUI 362-7 3710.2.1 ProcedureNote:Always check the operation of the boiler forcent

10 Fault findingInstructions for installation and servicing aquaPLUS VUI 362-738Display IndicationS.00 No heat demand (heating operation)S.01 Fan runn

Fault finding 10Instructions for installation and servicing aquaPLUS VUI 362-7 3910.4 Diagnostic ModesIn order to assist with the pinpointing of a par

2 IntroductionInstructions for installation and servicing aquaPLUS VUI 362-742 Introduction2.1 General InformationaquaPLUS boilerThe aquaPLUS is a ful

10 Fault findingInstructions for installation and servicing aquaPLUS VUI 362-740Table 10.3: Diagnostic Modes 2 of 2Display Indication Displayed values

Fault finding 10Instructions for installation and servicing aquaPLUS VUI 362-7 4110.5 Fault codesFault codes take priority over all other display func

10 Fault findingInstructions for installation and servicing aquaPLUS VUI 362-742Ensure boiler mainON/OFF control is setto position "1" Is th

Fault finding 10Instructions for installation and servicing aquaPLUS VUI 362-7 43Sheet BCheck operation of pump and fanTurn off the main ON/OFF contro

10 Fault findingInstructions for installation and servicing aquaPLUS VUI 362-744Check central heating and controlsEnsure that radiator temperature con

Fault finding 10Instructions for installation and servicing aquaPLUS VUI 362-7 45Does fan run after approx. 30 secs.?Check flue and ignition systemNo

10 Fault findingInstructions for installation and servicing aquaPLUS VUI 362-746Check gas valve and central heating system pressureDoes burner light 1

Fault finding 10Instructions for installation and servicing aquaPLUS VUI 362-7 47Does flame indicator glow andflames increase in size to full gasrate

10 Fault findingInstructions for installation and servicing aquaPLUS VUI 362-748Draw hot water at high rate Does flow indicator (tap)on display light

Diagrams 11Instructions for installation and servicing aquaPLUS VUI 362-7 4911 Diagrams11.1 Functional Flow diagram: aquaPLUS VUI 362-7POWER SUPPLYF2A

Boiler Specification 3Instructions for installation and servicing aquaPLUS VUI 362-7 53 Boiler Specification3.1 Technical dataaquaPLUS VUI 362-7 Units

11 Diagrams Instructions for installation and servicing aquaPLUS VUI 362-750Fig. 11.2: Wiring diagram aquaPLUS11.2 Wiring diagram: aquaPLUS VUI 362/7S

Short parts list 12Instructions for installation and servicing aquaPLUS VUI 362-7 51Table 12.1: Short parts list* For these components, please observe

12 Short parts list52 Instructions for installation and servicing aquaPLUS VUI 362-7Fig. 10.1 Fig. 10.2 Fig. 10.3Fig. 10.5 Fig. 10.6 Fig. 10.7Fig. 10.

Short parts list 1253Instructions for installation and servicing aquaPLUS VUI 362-7Fig. 10.14 Fig. 10.15 Fig. 10.16Fig. 10.17 Fig. 10.18 Fig. 10.19Fig

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3.2 Boiler connections Key:1 Heating system return (22 mm tail)2 Cold water connection with shut off valve (15 mm tail)3 Gas connection (22 mm tail)4

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Boiler Specification 3Instructions for installation and servicing aquaPLUS VUI 362-7 7638111291325141516171819202122231072645122427282930Fig. 3.2: Fun

4 General RequirementsInstructions for installation and servicing aquaPLUS VUI 362-784 General Requirements4.1 Preliminary remarksThis appliance shoul

General Requirements 4Instructions for installation and servicing aquaPLUS VUI 362-7 94.5 Flue system4.5.1 Top outlet flue system (100 mm outsidediame